deciding UFS vs ZFS

Erich Dollansky erichsfreebsdlist at
Sun Jul 13 23:14:59 UTC 2014


use UFS as long as you are working with a single disk and ZFS the
moment you have more than one disk.


On Sun, 13 Jul 2014 15:03:08 -0400
"Michael W. Lucas" <mwlucas at> wrote:

> Hi,
> We have two 'big' filesystems, UFS and ZFS. How do people decide when
> to use which? I'm trying to build a "decision matrix" of when to use
> each.
> My virtualization system runs KVM, so I use UFS on VMs. Restoring
> ZFS disk images via dd can be problematic.
> For larger boxes running on real iron, I use ZFS.
> But there's a whole range of conditions between these two. And the way
> to fill in the gray spaces is to ask.
> So, how do you decide to use which filesystem?
> ==ml

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